diff --git a/android/build.gradle b/android/build.gradle
index b774886..b61a3fe 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -2,7 +2,7 @@ group 'dev.steenbakker.nordicdfu'
 version '1.0-SNAPSHOT'
 
 buildscript {
-    ext.kotlin_version = '1.8.0'
+    ext.kotlin_version = '1.7.10'
     repositories {
         google()
         mavenCentral()
diff --git a/example/android/build.gradle b/example/android/build.gradle
index d30c26d..bd9b5a8 100644
--- a/example/android/build.gradle
+++ b/example/android/build.gradle
@@ -1,5 +1,5 @@
 buildscript {
-    ext.kotlin_version = '1.8.0'
+    ext.kotlin_version = '1.7.10'
     repositories {
         google()
         mavenCentral()